Niasar’s Chahar-Taq exemplar of Sassanid architecture, tourism official says 

INSUBCONTINENT EXCLUSIVE:
construction technology in the Sassanid period, and people feel responsible for this magnificent work as a national and transnational
coordination, attempted to widen a road that crosses near the monument
of Sassanid religious architecture, relating closely to the expansion and stabilization of Zoroastrianism under the Sassanid reign and
continuing during the Islamic era thanks to its usage in religious and holy buildings such as mosques and tombs.Arts and architecture at the
Under Sassanids, Persian art and architecture experienced a general renaissance
Architecture often took grandiose proportions, such as palaces at Ctesiphon, Firuzabad, and Sarvestan, which are amongst the highlights of
the ensemble.Crafts such as metalwork and gem-engraving grew highly sophisticated, yet scholarship was encouraged by the state
In those years, works from both the East and West were translated into Pahlavi, the language of the Sassanians.Rock-carved sculptures and
bas-reliefs on abrupt limestone cliffs are widely deemed as characteristics and striking relics of Sassanian art, top examples of which can
be traced at Bishapur, Naqsh-e Rostam, and Naqsh-e Rajab in southern Iran.In 2018, UNESCO added an ensemble of Sassanian historical cities
The ensemble comprises eight archaeological sites situated in three geographical parts of Firuzabad, Bishapur, and Sarvestan
It reflects the optimized utilization of natural topography and bears witness to the influence of Achaemenid and Parthian cultural
traditions and of Roman art, which later had a significant impact on the architecture and artistic styles of the Islamic era.Efforts made by
the Sassanids also yield a revival of Iranian nationalism took place, for example, Zoroastrianism was declared the state religion
The dynasty evolved by Ardashir I and was destroyed by the Arabs during the period from 637 to 651
The dynasty was named after Sasan, an ancestor of Ardashir I.Under his leadership, who reigned from 224 to 241, the Sassanians overthrew the
Parthians and created an empire that was constantly changing in size as it reacted to Rome and Byzantium to the west and the Kushans and
Sogdiana and Iberia (Georgia) in the north to the Mazun region of Arabia in the south; in the east, it extended to the Indus River, and in
the west to the upper Tigris and Euphrates river valleys.According to UNESCO, the ancient cities of Ardashir Khurreh and Bishapur include
the most significant remaining testimonies of the earliest moments of the Sassanid Empire, the commencement under Ardashir I, and the
illustrates early examples of construction of domes with squinches on square spaces, such as in the Chahar-Taq buildings, where the four
sides of the square room show arched openings: this architectural form turned into the most typical form of Sassanid religious architecture,
relating closely to the expansion and stabilization of Zoroastrianism under Sassanid reign and continuing during the Islamic era thanks to
landscape also represents a highly efficient system of land use and strategic utilization of natural topography in the creation of the
earliest cultural centers of the Sassanid civilization.AFM